<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	private $_id;
    const ERROR_INACTIVE_USER = 3;
    /**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	public function authenticate()
	{

        //traer usuario
        $usuario = Usuario::model()->getUsuarioByEmail($this->username);

        if (is_null($usuario)){
            $this->errorCode = self::ERROR_USERNAME_INVALID;
        } else {
            if ($usuario->clave != md5($this->password)){
                $this->errorCode = self::ERROR_PASSWORD_INVALID;
            } elseif ($usuario->activo == 0){
                $this->errorCode = self::ERROR_INACTIVE_USER;
            } else {
                $this->_id = $usuario->id;
                $this->errorCode = self::ERROR_NONE;
            }
        }
        return $this->errorCode;
	}

    public function getId(){
        return $this->_id;
    }
}